A) any time chemicals, heat, or sediments are used to protect your eyes B) only if you don't have glasses C) to improve vision D) to avoid eye strain
A) figure it out as you do the lab B) skip it and go to the next part C) try several methods until something works D) ask the teacher before you start
A) disposed of according to your teacher's directions B) taken home C) dumped into the sink D) left at your table for the next class
A) see a doctor after school B) visit the school nurse after class C) apply first aid yourself D) tell the teacher at once
A) examine all glassware to check for chips or cracks B) All of these C) read all directions carefully to know what equipment is needed D) clean any glassware that looks dirty
A) open-toed shoes B) closed-toed shoes C) slippers D) sandals
A) Ok B) always against the rules C) not dangerous D) okay if you are working alone
A) your lab partners B) your best friend in class C) your teacher D) the custodian
A) wiping your hands B) others to put away C) the protection of you and your clothing D) when you are wearing your best clothes
A) waft the odor toward you B) use a fan C) nhale deeply D) pour it on the table
A) all of these B) read all the directions C) Ask the teacher about any questions you have D) Clear off your table of books, food, and drinks
A) fire blanket B) all of these C) classroom door B) fire extinguisher D) fire extinguisher
A) wash your hands with soap and water B) ipe your hands on your clothes C) wipe your hands with a paper towel D) treat your hands with skin lotion
A) wipe your hands on your pants B) Wash your hands and tell the teacher C) try to figure out what the sticky substance is D) wipe your hands on a classmate
A) gloves B) Lab coat C) Safety glasses D) sun glasses
A) put her hair up in a rubber band B) gotten a hair cut before class today C) skipped the lab D) worn a hat today
A) the fire extinguisher B) Water from the sink C) Your coat D) The fire blanket
A) Next week B) while you are working C) After school D) before you start
A) throw them in the trash B) burn them in a burner C) follow the instructions of your teacher D) wash them down the sink
A) your hands should be dry B) ask the custodian C) ask the nurse. D) your hand must be wet
A) toward you and away from others B) away from you and others C) away from you and toward others D) toward you and others
A) let the teacher pour them B) pour water into acid C) pour acid into water D) pour them at the same time
A) False B) true
A) true B) false
A) false B) true |